Formlabs Form 4L SLA Resin Printer Tough 1000 Resin

The Formlabs Form 4L & Tough 1000 Resin


It’s the beginning of a new chapter at Wolfpack Workshop! We’ve just added a Formlabs Form 4L to the workshop – signaling the beginning of a new era of SLA printing & greatly expanded capabilities. Here’s a spotlight on one of its amazing materials, Tough 1000 Resin:

HDPE injection-molded toughness, 3D printed parts!


How to get super sturdy & resilient parts while skipping the $1000s up-front required with injection molding.

As most of you know, last week my Formlabs Form 4L printer finally arrived and I jumped right into trying out these materials that I had heard so much about. It was a pretty exciting day at Wolfpack Workshop. A friend of mine (who also nerds out about 3D printing, just a little) was willing to help me get it up 2 flights of stairs and set up in my workshop.
(Thanks again, Andy! Hope the Chicken Alfredo was worth it 😆.)

The material I’ve been working with this week is Tough 1000 Resin. (I also ordered Tough 1500 and Tough 2000, but I’ll get into that in a later post).

I had an order from a client to reverse-engineer some large, heavy steel chain links that he wanted to be lighter but still super sturdy. I knew this would be the perfect material for the prototype.
Here’s why, along with a breakdown of Tough 1000’s strengths and ideal applications.

Tough 1000 Resin is:

– Designed to mimic HDPE, with very similar behavior
– High impact resistance (great for repeated loading) & good wear resistance
– Flexes up to around 180% before breaking
– Low-friction surface (great for hinges and moving parts)

This is some solid stuff, and I received excellent feedback from my customer. He was very impressed with the quality of the part.

Is there anything that you’d like made from Tough 1000? Reach out and let’s knock out your project together!

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